Glyphosate

Glyphosate Herbicide, organophosphorus Features: 1) Common name: Glyphosate 2) Structure formula: border=0> 3) Chemical name: N-(phosphonoethyl)glycine 4) Molecular formula: C3H8NO5P 5) Molecular weight: 169.1 6) CAS no.: 1071-83-6. Physical and chemical properties: 1) Appearance: colorless crystals 2) Melting point: 189?.5oC 3) V.p.: negligible 4) KOWlogP: <-3.4 (20oC) 5) S.g./density: 1.704 (20oC) 6) Solubility: a) In water: 11.6g/L (25oC) b) Insoluble in common organic solvents, e.g. acetone, ethahol and xylene. Its alkali metal and amine salts are readily soluble in water. 7) Stability: Glyphosate and all its salts are non-volatile, do not photo-chemicaliy degrade and are stable in air. It is strongly absorbed by soil. Solutions are corrosive to iron and galvanized steel. Technical specification: 1) Appearance: white to slightly yellow powder 2) a.i. content: >=95% 3) Loss on drying: <=1.0% 4) Water insoluble matter: <=0.2% Formulation: SP, SL, SG Analysis: UV spectrophotometry method (AS, HG 2459-93) Packaging: 25kg/plastic woven bag with plastic bag inside or cardboard drum with plastic bag inside Applications: 1) Action: non-selective systemic herbicide absorbed by foliage, with rapid translocation throughout the plant. Inactivated on contact with soil. 2) Uses: a) Control of annual and perennial grasses and broad-leaved weeds, pre-harvest, post-planting/pre-emergence and in stubble, for cereals, peas, beans, oilseed rape, flax and mustard at c 1.5 - 2kg/ha. b) As a directed spray in vines and olives at c 4.3kg/ha. c) As an aquatic herbicide at c. 2kg/ha. Toxicity: 1) Oral: acute oral LD50 for rats 5600, mice 11300mg/kg 2) Skin and eyes: acute percutaneous LD50 for rabbits >5000, rats >5010, mice 7030mg/kg. Eye irritant; not irritating to skin (rabbits). 3) ADI: 1.75mg 4) Other: not mutagenic, not carcinogenic, not teratogenic, not neurotoxic. No adverse effects on reproduction. 5) Birds: acute oral LD50 for bobwhite quails >3851mg/kg 6) Fish: LC50 (96h) for trout 86, bluegill sunfish 120